<template>
    <div class="box">
        <header class="header">分类头部</header>
        <div class="content">
            <input v-focus>
            <input>

            <button @click="handleClick" v-preventclick>点击输出</button>
            <button @click="handleClick">点击输出</button>
        </div>
    </div>
</template>
<script>
export default {
    methods: {
        handleClick() {
            console.log('12233')
        }
    }
}

</script>